TrueandChicagoare one dynamic duo.

The captivating cousins starred in a new photographKim Kardashian Westshared to Instagram over the weekend, where her 7-month-old daughter Chicago struck a seemingly protective pose for the sake ofKhloé Kardashian‘s daughter True, 5 months on Wednesday.

“I got this True,” Kardashian West, 37, narrated in the caption.

Kim Kardashian/Instagram

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The girls have become fast friends since True’s April 12 birth. In their first publicly shared photo together, they posed with Kardashian West and Kardashianfor the latter’s 34th birthday.

“Happy Birthday to one of my favorite souls on this planet!” the KKW Beauty founder wrote in honor of her younger sister, captioning asnapshot of herself and Kardashianwith their daughters situated atop the latter’s lap. “This year you have shown strength like none other. I admire you foralways following your heart.”

Inan August photograph, the little ones lounged together atop a cushy play mat, gazing in front of them at something that had clearly caught their attention.

“Best friends for life!!!! 💕,” Kardashian West captionedthe sweet bonding moment.

Kim Kardashian West/Twitter

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It’s no surprise that these two cousins have taken to each other so easily, considering their moms’ strong bond. In August, first-time mother Kardashian revealed to PEOPLE that Kardashian West is her go-to sister while learning the parenting ropes.

“I have to say that Kim probably has given the best advice because she’s not judgmental about any of it,” explained theGood American designerof her older sister, also mom to sonSaint, 2½, and daughterNorth, 5. “She offers up different ideas and either you take it or leave it and that’s okay.”

source: people.com